package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@Slf4j
@RestController
@RequestMapping("/admin/dish")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品信息
     * @param dishDTO
     * @return
     */
    @PostMapping
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品信息{}",dishDTO);
        dishService.save(dishDTO);
        return Result.success();
    }

    /**
     * 分页查询菜品信息
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品信息分页查询{}",dishPageQueryDTO);
        PageResult pageResult=dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 根据id批量删除菜品信息
     * @param ids
     * @return
     */
    @DeleteMapping
    public Result delete(@RequestParam List<Long> ids){
        log.info("根据id批量删除菜品{}",ids);
        dishService.deleteBatch(ids);
        return Result.success();
    }

    /**
     * 根据id查询菜品信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品信息{}",id);
        DishVO dishVO = dishService.getById(id);
        return Result.success(dishVO);
    }

    /**
     * 更新菜品信息
     * @param dishDTO
     * @return
     */
    @PutMapping
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("更新菜品信息");
        dishService.update(dishDTO);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();

    }

    /**
     * 起售或停售菜品
     * @param status
     * @param id
     * @return
     */
    @PostMapping("status/{status}")
    public Result startOrStop(@PathVariable Integer status,Long id){
        log.info("起售或停售菜品{},{}",status,id);
        dishService.startOrStop(status,id);
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    public Result<List<Dish>> selectByCategoryId(Long categoryId){
        log.info("根据分类id查询菜品");
        List<Dish> dishList = dishService.selectByCategoryId(categoryId);
        return Result.success(dishList);
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }





}
